228426836111 has 4 divisors (see below), whose sum is σ = 228920199072. Its totient is φ = 227933473152.

The previous prime is 228426836081. The next prime is 228426836117. The reversal of 228426836111 is 111638624822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228426836111 - 2⁶ = 228426836047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228426836117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246680786 + ... + 246681711.

It is an arithmetic number, because the mean of its divisors is an integer number (57230049768).

Almost surely, 2^228426836111 is an apocalyptic number.

228426836111 is a deficient number, since it is larger than the sum of its proper divisors (493362961).

228426836111 is an equidigital number, since it uses as much as digits as its factorization.

228426836111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493362960.

The product of its digits is 221184, while the sum is 44.

The spelling of 228426836111 in words is "two hundred twenty-eight billion, four hundred twenty-six million, eight hundred thirty-six thousand, one hundred eleven".